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Finding the Fourth Proportional to 115,592, 159,529.94 and 65,294.24

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Solution

The fourth proportional to 115,592, 159,529.94 and 65,294.24 is: 90,113.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,592 : 159,529.94 = 65,294.24 : x
  2. Step 2: Convert to fraction form
    115,592/159,529.94 = 65,294.24/x
  3. Step 3: Cross multiply
    115,592x = 159,529.94 × 65,294.24
  4. Step 4: Simplify right side
    115,592x = 10,416,386,189.55
  5. Step 5: Solve for x
    x = 10,416,386,189.55/115,592
  6. Step 6: Final answer
    x = 90,113.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.